Fix/typo

[KazooTTT]

Why are these changes needed?

Fix some typographical errors to make the codes more readable.

Related issue number

Checks

• I've included any doc changes needed for https://microsoft.github.io/autogen/. See https://microsoft.github.io/autogen/docs/Contribute#documentation to build and test documentation locally.
• I've added tests (if relevant) corresponding to the changes introduced in this PR.
• I've made sure all auto checks have passed.

[KazooTTT]

@microsoft-github-policy-service agree

[rickyloynd-microsoft]

These spelling fixes look good to me.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (a0288e0) 26.54% compared to head (375acb8) 37.87%.
Report is 2 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #1034       +/-   ##
===========================================
+ Coverage   26.54%   37.87%   +11.33%     
===========================================
  Files          28       28               
  Lines        3805     3807        +2     
  Branches      865      907       +42     
===========================================
+ Hits         1010     1442      +432     
+ Misses       2724     2239      -485     
- Partials       71      126       +55     

Flag	Coverage Δ
unittests	37.82% <100.00%> (+11.33%)	⬆️

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[ekzhu]

Thanks for the PR! Please check the unit test results. It looks like the some doc strings are tested for their token length.

[BeibinLi]

Thanks for the review. What spell check tool have you used for this PR?

All changes look good, except the failing test cases.

[KazooTTT]

Thanks for the review. What spell check tool have you used for this PR?

All changes look good, except the failing test cases.

Thanks. The tool is pycharm's code inspections.